demonstration

1 a mass meeting for the purpose of displaying or arousing support for a cause or person disgruntled students organized a demonstration to protest the change in university policy Synonyms demo [British], rallyRelated Words assembly, conference, congress, convention, convocation, council, gathering; march; protest, sit-down, sit-in, strike; counterdemonstration, counterprotest, counterrally

2 an outward and often exaggerated indication of something abstract (as a feeling) for effect staged a grand demonstration of her love for her husband with a candlelight-and-champagne Valentine's Day dinner Synonyms show, display, exhibition, flauntingRelated Words act, charade, facade (also façade), front, guise, pretense (or pretence), put-on, semblance, simulation; affectation, pose, sham; betrayal, disclosure